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From: Bart Van Assche <Bart.VanAssche@sandisk.com>
To: "linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
	"songliubraving@fb.com" <songliubraving@fb.com>
Cc: "hch@infradead.org" <hch@infradead.org>
Subject: Re: [RFC] scsi: reduce protection of scan_mutex in scsi_remove_device
Date: Fri, 21 Apr 2017 21:20:23 +0000	[thread overview]
Message-ID: <1492809623.2499.4.camel@sandisk.com> (raw)
In-Reply-To: <20170421211302.2667649-1-songliubraving@fb.com>

On Fri, 2017-04-21 at 14:13 -0700, Song Liu wrote:
> On the other hand, some devices do long latency IO during deletion,
> for example, sd_shutdown() may do sync cache and/or start_stop.
> It is not necessary for these commands to run in series.

Have you noticed my patch series that makes sd_shutdown() submit the
SYNCHRONIZE CACHE command asynchronously? Have you tried whether that
patch series would be a good alternative?

Thanks,

Bart.

  parent reply	other threads:[~2017-04-21 21:20 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-21 21:13 [RFC] scsi: reduce protection of scan_mutex in scsi_remove_device Song Liu
2017-04-21 21:17 ` Bart Van Assche
2017-04-21 22:20   ` Song Liu
2017-04-21 21:20 ` Bart Van Assche [this message]
2017-04-21 22:31   ` Song Liu
2017-04-25 20:59     ` Bart Van Assche
2017-04-25 21:29       ` Song Liu
2017-04-24 15:28 ` Christoph Hellwig
2017-04-25 17:23 ` Bart Van Assche
2017-04-25 17:42   ` Song Liu
2017-04-25 17:52     ` Bart Van Assche
2017-04-25 21:17       ` Song Liu
2017-04-25 22:17         ` Bart Van Assche
2017-04-26  0:41           ` Song Liu

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